| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| Montage Technology TS2020 - Silicon Tuner driver |
| Copyright (C) 2009-2012 Konstantin Dimitrov <kosio.dimitrov@gmail.com> |
| |
| Copyright (C) 2009-2012 TurboSight.com |
| |
| */ |
| |
| #ifndef TS2020_H |
| #define TS2020_H |
| |
| #include <linux/dvb/frontend.h> |
| |
| struct ts2020_config { |
| u8 tuner_address; |
| u32 frequency_div; |
| |
| /* |
| * RF loop-through |
| */ |
| bool loop_through:1; |
| |
| /* |
| * clock output |
| */ |
| #define TS2020_CLK_OUT_DISABLED 0 |
| #define TS2020_CLK_OUT_ENABLED 1 |
| #define TS2020_CLK_OUT_ENABLED_XTALOUT 2 |
| u8 clk_out:2; |
| |
| /* |
| * clock output divider |
| * 1 - 31 |
| */ |
| u8 clk_out_div:5; |
| |
| /* Set to true to suppress stat polling */ |
| bool dont_poll:1; |
| |
| /* |
| * pointer to DVB frontend |
| */ |
| struct dvb_frontend *fe; |
| |
| /* |
| * driver private, do not set value |
| */ |
| u8 attach_in_use:1; |
| |
| /* Operation to be called by the ts2020 driver to get the value of the |
| * AGC PWM tuner input as theoretically output by the demodulator. |
| */ |
| int (*get_agc_pwm)(struct dvb_frontend *fe, u8 *_agc_pwm); |
| }; |
| |
| /* Do not add new ts2020_attach() users! Use I2C bindings instead. */ |
| #if IS_REACHABLE(CONFIG_DVB_TS2020) |
| extern struct dvb_frontend *ts2020_attach( |
| struct dvb_frontend *fe, |
| const struct ts2020_config *config, |
| struct i2c_adapter *i2c); |
| #else |
| static inline struct dvb_frontend *ts2020_attach( |
| struct dvb_frontend *fe, |
| const struct ts2020_config *config, |
| struct i2c_adapter *i2c) |
| { |
| printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| return NULL; |
| } |
| #endif |
| |
| #endif /* TS2020_H */ |